Pfizer's shot left fewer than half of participants with side effects

About 80% of adults aged 65 to 85 reported mild to moderate reactions after receiving Pfizer's first vaccine compared to 55% give the second jab, which caused no redness or swelling after either dose. https://www.dailymail.co.uk/health/article-8840483/Pfizers-shot-left-fewer-half-participants-effects.html?ns_mchannel=rss&ns_campaign=1490&ito=1490